
420 Primary Drive RK MXU Sealed Replacement Chain | Surron LBX | E Ride PRO
Replacement Sealed RK MXU Chain for DirtyBike 420 Primary Chain Drive
Keep your DirtyBike 420 Primary Chain Drive running smooth, quiet, and reliable with this direct replacement sealed RK MXU chain.
Designed specifically for DirtyBike 420 primary belt-to-chain conversion kits, the RK MXU chain uses ultra-thin U-ring seals to create a narrow, low-drag sealed chain that fits the tight primary drive space while delivering longer service life than a standard non-sealed chain.
This is the correct replacement chain for DirtyBike 420 Primary Chain Drive kits on Sur-Ron Light Bee and E Ride Pro models.
Features
- Direct replacement for DirtyBike 420 primary belt-to-chain conversion kits
- Fits Sur-Ron Light Bee and E Ride Pro DirtyBike primary chain drive setups
- RK MXU sealed chain with thin U-ring technology
- Narrow profile for proper primary drive fitment
- Longer-lasting than a standard non-sealed chain
- Helps maintain smooth, reliable power transfer
- Built for high-performance electric moto use
Fitment
- Sur-Ron Light Bee with DirtyBike 420 Primary Chain Drive Conversion Kit
- E Ride Pro with DirtyBike 420 Primary Chain Drive Conversion Kit
Notes
This chain is for the primary drive system, not the final drive chain. Use only as a replacement for DirtyBike 420 primary belt-to-chain conversion kits.
Original: $36.36
-65%$36.36
$12.73More Images

420 Primary Drive RK MXU Sealed Replacement Chain | Surron LBX | E Ride PRO
Replacement Sealed RK MXU Chain for DirtyBike 420 Primary Chain Drive
Keep your DirtyBike 420 Primary Chain Drive running smooth, quiet, and reliable with this direct replacement sealed RK MXU chain.
Designed specifically for DirtyBike 420 primary belt-to-chain conversion kits, the RK MXU chain uses ultra-thin U-ring seals to create a narrow, low-drag sealed chain that fits the tight primary drive space while delivering longer service life than a standard non-sealed chain.
This is the correct replacement chain for DirtyBike 420 Primary Chain Drive kits on Sur-Ron Light Bee and E Ride Pro models.
Features
- Direct replacement for DirtyBike 420 primary belt-to-chain conversion kits
- Fits Sur-Ron Light Bee and E Ride Pro DirtyBike primary chain drive setups
- RK MXU sealed chain with thin U-ring technology
- Narrow profile for proper primary drive fitment
- Longer-lasting than a standard non-sealed chain
- Helps maintain smooth, reliable power transfer
- Built for high-performance electric moto use
Fitment
- Sur-Ron Light Bee with DirtyBike 420 Primary Chain Drive Conversion Kit
- E Ride Pro with DirtyBike 420 Primary Chain Drive Conversion Kit
Notes
This chain is for the primary drive system, not the final drive chain. Use only as a replacement for DirtyBike 420 primary belt-to-chain conversion kits.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Replacement Sealed RK MXU Chain for DirtyBike 420 Primary Chain Drive
Keep your DirtyBike 420 Primary Chain Drive running smooth, quiet, and reliable with this direct replacement sealed RK MXU chain.
Designed specifically for DirtyBike 420 primary belt-to-chain conversion kits, the RK MXU chain uses ultra-thin U-ring seals to create a narrow, low-drag sealed chain that fits the tight primary drive space while delivering longer service life than a standard non-sealed chain.
This is the correct replacement chain for DirtyBike 420 Primary Chain Drive kits on Sur-Ron Light Bee and E Ride Pro models.
Features
- Direct replacement for DirtyBike 420 primary belt-to-chain conversion kits
- Fits Sur-Ron Light Bee and E Ride Pro DirtyBike primary chain drive setups
- RK MXU sealed chain with thin U-ring technology
- Narrow profile for proper primary drive fitment
- Longer-lasting than a standard non-sealed chain
- Helps maintain smooth, reliable power transfer
- Built for high-performance electric moto use
Fitment
- Sur-Ron Light Bee with DirtyBike 420 Primary Chain Drive Conversion Kit
- E Ride Pro with DirtyBike 420 Primary Chain Drive Conversion Kit
Notes
This chain is for the primary drive system, not the final drive chain. Use only as a replacement for DirtyBike 420 primary belt-to-chain conversion kits.

















